<template>
  <div class="app-container">
    <el-row :gutter="10" class="mb5">
      <el-col :span="1.5">
        <el-button
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['deyu:deyuArticle:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['deyu:deyuArticle:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['deyu:deyuArticle:remove']"
        >删除</el-button>
      </el-col>
      <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px" class="el-form-search">
        <el-form-item label="文章名称" prop="title" class="el-form-search-item">
          <el-input
            v-model="queryParams.title"
            placeholder="请输入文章名称"
            clearable
            size="mini"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="状态" prop="state" class="el-form-search-item">
          <el-select v-model="queryParams.state" placeholder="请选择状态" clearable size="mini">
            <el-option
              v-for="dict in dict.type.deyu_normal_disable"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item class="el-form-search-item">
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
    </el-row>

    <el-table ref="list" :height="tableHeight" v-loading="loading" :data="articleList" @selection-change="handleSelectionChange" @row-click="handleRowClick" >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文章名称" align="center" prop="title" />
      <el-table-column label="banner图" align="center" prop="faceThum" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.faceThum" :width="30" :height="30"/>
        </template>
      </el-table-column>
      <el-table-column label="内容" align="center" prop="content" />
      <el-table-column label="状态" align="center" prop="state">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.deyu_normal_disable" :value="scope.row.state"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="150">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            :icon="scope.row.state === 1 ? 'el-icon-upload' : 'el-icon-download'"
            @click="handleUpDown(scope.row)"
            v-hasPermi="['deyu:deyuArticle:edit']"
          >
            {{scope.row.state === 1 ? "上架" : "下架"}}
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['deyu:deyuArticle:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['deyu:deyuArticle:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改资讯信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body :close-on-click-modal="false" v-dialogDrag>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="文章名称" prop="title" >
          <el-input v-model="form.title" placeholder="请输入文章名称" />
        </el-form-item>
        <el-form-item label="banner图"  prop="faceThum">
          <image-upload v-model="form.faceThum" :limit="1" />
        </el-form-item>
        <el-form-item label="内容" >
          <editor v-model="form.content" :min-height="192"/>
        </el-form-item>
        <el-form-item label="状态" prop="state" >
          <el-radio-group v-model="form.state">
            <el-radio
              v-for="dict in dict.type.deyu_normal_disable"
              :key="dict.value"
              :label="parseInt(dict.value)"
            >{{ dict.label }}</el-radio
            >
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {addArticle, delArticle, getArticle, listArticle, updateArticle} from "@/api/deyu/deyuArticle";

export default {
  name: "DeyuArticle",
  dicts: ["deyu_normal_disable"],
  data() {
    return {
      // 表格高度
      tableHeight: document.documentElement.clientHeight - 180,
      // 遮罩层
      loading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 资讯信息表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 20,
        orderByColumn: "update_time",
        isAsc: "desc",
        title: null,
        faceThum: null,
        content: null,
        state: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: "文章名称不能为空", trigger: "blur" }
        ],
        faceThum: [
          { required: true, message: "banner图不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询资讯信息列表 */
    getList() {
      this.loading = true;
      listArticle(this.queryParams).then(response => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        faceThum: null,
        content: null,
        state: 0,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    // 单击行选中数据
    handleRowClick(row, column, event) {
      this.$refs.list.toggleRowSelection(row);
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加资讯信息";
    },
    /** 上下架 */
    handleUpDown(row) {
      let id = row.id || this.ids;
      let state = row.state === 1 ? 0 : 1;
      const data = {
        id,
        state
      }
      this.$modal.confirm(state === 1 ? '该资讯下架后将不在首页资讯展示' : '该资讯上架后将在首页资讯展示').then(function() {
        return updateArticle(data);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess(state === 1 ? '下架成功' : '上架成功');
      }).catch(() => {});
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getArticle(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改资讯信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateArticle(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticle(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除记录？').then(function() {
        return delArticle(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
  }
};
</script>
